Adding a certain compound to certain chemical reactions, such as: 22047-25-2, name is Acetylpyrazine, belongs to pyrazines compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 22047-25-2, HPLC of Formula: C6H6N2O
General procedure: A 100 mL round-bottom flask charged with 2-acetylpyrazine (1.47 g, 2 mmol) was added MeOH (30 mL), KOH pellets (0.675 g,2 mmol) and water (2 mL). The resulting mixture was stirred for10 min and then added corresponding n,n?-dimethoxybenzaldehydes (1.0 g, 1 mmol) and ammonium solution (6 mL) was added slowly stirring at room temperature for 4 h, a white precipitate obtained was filtered, washed with MeOH and diethyl ether. The crude products on recrystallization in a mixture of CHCl3:MeOH (1:1) gave white crystals of desired compounds, 1-4.
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